Skip to main content

Table 1 Characteristics of ACOs with least and greatest PCP focus

From: Primary care focus and utilization in the Medicare shared savings program accountable care organizations

Mean (SD) Least PCP focus Greatest PCP focus p-value
Number assigned beneficiaries 18,504 (16,137) 14,751 (19,179) 0.27
Mean length of performance period (months) 15.5 (3.5) 15.6 (3.6) 0.94
Percentage of minority beneficiaries 13.8 (13.7) 24.5 (23.5) 0.004
Mean percentage of ESRD patients 1.01 (0.7) 1.26 (0.8) 0.09
Mean percentage of disabled patients 15.2 (8.8) 15.7 (6.2) 0.73
Mean percentage of dual-eligible beneficiaries 6.3 (5.9) 14.1 (18.7) 0.004
Rural (%) 3.6 7.3 0.40
Census Division (%)    0.01
 New England 18.2 1.8  
 Middle Atlantic 20.0 10.9  
 East North Central 7.3 20.0  
 West North Central 5.5 9.1  
 South Atlantic 23.6 23.6  
 East South Central 5.5 3.6  
 West South Central 7.3 14.6  
 Mountain 9.1 1.8  
 Pacific 3.6 9.1  
 Puerto Rico 0.0 5.5  
  1. ESRD End-stage renal disease